05/21/25

can someone help me find the surface area of this triangular prism.

https://ibb.co/5X5NCZnp

05/16/25

Trigonometry : Solve the following problem

Solve 2sinx= -1/2 for x ∈ [0,4π]

I think this is algebra...?

Alyssa is 12 years younger than Michelle. Michelle is 7 years older than twice Amanda's age The sum of all three ages is 47. How old is Michelle?Please help me

05/15/25

Trigonometry|Please help!

Solve 2sin x = -1 over [0, 2pi]Anyone that is able to guide me through the steps of this problem would be much appreciated!

05/14/25

Deriving the Quadratic Formula

In deriving the Quadratic Formula, near the end all the derivations I see convert sqrt(x2) to x. But sqrt(x2) = |x|.

05/14/25

Assume that there are 9 girls and 10 boys in the neighborhood club, and a team of 7 is to be selected.

1) How many different teams can be selected? (2) How many different teams can be selected if each team must contain exactly 4 girls and 3 boys?

05/09/25

Linear Algebra-Linear Transformations

Find the associated matrix (i.e. matrix with respect to the standard basis ) for the linear transformation on R2 representing reflection about the line 3y=4x followed by rotation by 3π ⁄2 radians... more

Differential Equations- Laplace Transforms

Solve the initial value problem y´´+ y= u(t-π), y(0)= 0, y'(0)=1

05/09/25

Linear Algebra- Gram-Schmidt Process

Consider the matrix A = ⌈1 1⌉1 91 -5⌊1 3⌋Use the Gram-Schmidt process to find a matrix Q with orthonormal columns {q1,q2} such that Im(Q)=Im(A)

05/10/23

Describe three methods you can use to find the value of ∫∫s curlF•ndσ

Let S be the hemisphere of equation x2 + (y -2) +z2 = 9; z ≥ 0, with positive (outward) orientation, and let F(x,y,z) = xy i + yz j + xz k.Describe three methods you can use to find the value of... more

How long will it take the object to reach 9 meters algebra problem

The table below shows the height h(t) in meters of an object that is thrown off the top of a building t seconds after it is thrownT H(t)0.5 78.7251 891.5 96.8252 102.22.5 105.1253 105.6How long... more

04/17/23

Need help. What is the answer? Thank you sir.

Evaluate the following iterated integral using spherical coordinates.∫0√2 ∫0√2-x^2 ∫√4-x^2-y^2√x^2+y^2 z dz dy dx

11/14/22

Consider the function f(x,y)=(e^x−2x)sin(y). Suppose S is the surface z=f(x,y).

(a) Find a vector which is perpendicular to the level curve of ff through the point (3,3)(3,3) in the direction in which ff decreases most rapidly.vector = <-(e^3-2)sin(3), -cos(3)(e^3-6)>... more

10/21/14

calculus 3

Change the Cartesian integral into an equivalent polar integral.  Then evaluate the polar integral.   ∫0ln2∫0√(ln2)^2-y^2 e√x^2+y^2 dxdy

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